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发明名称
Improvements relating to the construction of concrete beams
摘要
申请公布号
GB767536(A)
申请公布日期
1957.02.06
申请号
GB19540019262
申请日期
1954.07.01
申请人
HORACE EDMUNDS;EDWARD EDMUNDS;FRANK EDMUNDS;STANLEY HARRY EDMUNDS
发明人
分类号
E04B5/06;E04B5/23
主分类号
E04B5/06
代理机构
代理人
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